random PO421 code w/Edelbrock Supercharger

Miata Parts, Intakes, Superchargers, Headers, Exhausts, Shocks, Springs, Sway Bars, Brake Kits, Autocross and track mods.

random PO421 code w/Edelbrock Supercharger

Postby BillT613 » Thu Jul 16, 2020 12:15 pm

My 2016 ND has an Edelbrock Supercharger w/their version 5 tune installed. I am getting a random PO421 code. I clear it and it will come back eventually. Anyone else having this problem? Have you found a cure?
Posts: 6
Joined: Thu Jan 12, 2017 4:12 pm

Return to Mazda Miata and Fiat 124

Who is online

Users browsing this forum: No registered users and 5 guests